Finding the Fourth Proportional to 528,557,276.58, 791,628,214.50 and 252,401,932.14
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Solution
The fourth proportional to 528,557,276.58, 791,628,214.50 and 252,401,932.14 is: 378,026,185.11
Step by Step Solution
- Step 1: Write the proportion equation
528,557,276.58 : 791,628,214.50 = 252,401,932.14 : x - Step 2: Convert to fraction form
528,557,276.58/791,628,214.50 = 252,401,932.14/x - Step 3: Cross multiply
528,557,276.58x = 791,628,214.50 × 252,401,932.14 - Step 4: Simplify right side
528,557,276.58x = 199,808,490,876,338,368 - Step 5: Solve for x
x = 199,808,490,876,338,368/528,557,276.58 - Step 6: Final answer
x = 378,026,185.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.